/Engine/Source/Runtime/Engine/Public/WorldPartition/ContentBundle/ContentBundlePaths.h
Return true if InPackage follow format : //{MountPoint}/{ExternalActorFolder}/{ContentBundleFolder}/{ContentBundleUID}/*, false otherwise
namespace ContentBundlePaths { bool ContentBundlePaths::IsAContentBundleExternalActorPackagePath ( FStringView InPackagePath ) }